RUS  ENG
Full version
JOURNALS // Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya // Archive

1970, Volume 34, Issue 2


Editorial
251
Algebraic construction and properties of hermitian analogs of $K$-theory over rings with involution from the viewpoint of hamiltonian formalism. applications to differential topology and the theory of characteristic classes. I
S. P. Novikov
253
A new construction in the theory of lattice coverings of an $n$-dimensional space by equal spheres
B. N. Delone, N. P. Dolbilin, S. S. Ryshkov, M. I. Shtogrin
289
Sums of characters over prime numbers
A. A. Karatsuba
299
Cohomology of the Lie algebra of formal vector fields
I. M. Gel'fand, D. B. Fuchs
322
Analogs of Torelli's theorem for multidimensional vector bundles over an arbitrary algebraic curve
A. N. Tyurin
338
On the question of the structure of the subfield of invariants of a cyclic group of automorphisms of the field $\mathbf Q(x_1,\dots,x_n)$
V. E. Voskresenskii
366
On the problem of a finite basis of identities in groups
A. Yu. Ol'shanskii
376
On the classification of simple Lie algebras over a field of nonzero characteristic
V. G. Kac
385
Isogenies and torsion of elliptic curves
A. N. Parshin
409
Variational methods in nonstationary problems (parabolic case)
P. P. Mosolov
425
Stability tests for the solutions of linear operator equations with discrete and continuous lags in the arguments
Z. I. Rekhlitskii
458


© Steklov Math. Inst. of RAS, 2026